CVE-2019-10920 Hardcoded credentials in LOGO! 8 BM (incl. SIPLUS variants)
An unauthenticated attacker can decrypt project data on Siemens LOGO! 8 BM devices due to a hardcoded encryption key, compromising confidentiality.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-10920?
CVE-2019-10920 is a high-severity vulnerability in Siemens LOGO! 8 BM (incl. SIPLUS variants), published on 14 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Project data stored on the device, which is accessible via port 10005/tcp, can be decrypted due to a hardcoded encryption key. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.
Which versions are affected by CVE-2019-10920?
It affects 1 product.
Products include Siemens Logo\!8 Bm Firmware.
How do I fix CVE-2019-10920?
No fix has been published for CVE-2019-10920 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-10920 being exploited?
There is no known exploitation of CVE-2019-10920 in the wild and no public exploit code.
Other vulnerabilities in Siemens LOGO! 8 BM (incl. SIPLUS variants)
Sources
Also known as GHSA-2w2h-4fp7-2gq3.